There is an undo button in Sandbox mode, but not in storymode. I agree that there should definitely be one in storymode, and also a forward button, because why would you have one and not the other?

I accidentally delete shelves and things with objects on/in them all of the time. Every time I have to put them back one by one and it takes for ever. Undo Button would be a great workaround

This has been asked for so many times and has been ignored for as many times,,, here's to hoping that the DEVS will listen to our plea.

Please!!!!

The number of times I've had my cat jump in my lap and cause me to put tiles where I don't intend to cannot be counted... definitely would love an undo button!